| [2460] | 1 | /* $NetBSD: options.h,v 1.18 2005/05/07 19:52:17 dsl Exp $ */
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| 2 |
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| 3 | /*-
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| 4 | * Copyright (c) 1991, 1993
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| 5 | * The Regents of the University of California. All rights reserved.
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| 6 | *
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| 7 | * This code is derived from software contributed to Berkeley by
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| 8 | * Kenneth Almquist.
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| 9 | *
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| 10 | * Redistribution and use in source and binary forms, with or without
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| 11 | * modification, are permitted provided that the following conditions
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| 12 | * are met:
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| 13 | * 1. Redistributions of source code must retain the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer.
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright
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| 16 | * notice, this list of conditions and the following disclaimer in the
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| 17 | * documentation and/or other materials provided with the distribution.
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| 18 | * 3. Neither the name of the University nor the names of its contributors
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| 19 | * may be used to endorse or promote products derived from this software
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| 20 | * without specific prior written permission.
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| 21 | *
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| 22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 32 | * SUCH DAMAGE.
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| 33 | *
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| 34 | * @(#)options.h 8.2 (Berkeley) 5/4/95
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| 35 | */
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| 36 |
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| 37 | struct shparam {
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| 38 | int nparam; /* # of positional parameters (without $0) */
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| 39 | unsigned char malloc; /* if parameter list dynamically allocated */
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| 40 | unsigned char reset; /* if getopts has been reset */
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| 41 | char **p; /* parameter list */
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| 42 | char **optnext; /* next parameter to be processed by getopts */
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| 43 | char *optptr; /* used by getopts */
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| 44 | };
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| 45 |
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| 46 |
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| 47 | struct optent {
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| 48 | const char *name; /* for set -o <name> */
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| 49 | const char letter; /* set [+/-]<letter> and $- */
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| 50 | const char opt_set; /* mutually exclusive option set */
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| 51 | char val; /* value of <letter>flag */
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| 52 | };
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| 53 |
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| 54 | /* Those marked [U] are required by posix, but have no effect! */
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| 55 |
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| 56 | #ifdef DEFINE_OPTIONS
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| 57 | #define DEF_OPTS(name, letter, opt_set) {name, letter, opt_set, 0},
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| 58 | struct optent optlist[] = {
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| 59 | #else
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| 60 | #define DEF_OPTS(name, letter, opt_set)
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| 61 | #endif
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| 62 | #define DEF_OPT(name,letter) DEF_OPTS(name, letter, 0)
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| 63 |
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| 64 | DEF_OPT( "errexit", 'e' ) /* exit on error */
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| 65 | #define eflag optlist[0].val
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| 66 | DEF_OPT( "noglob", 'f' ) /* no pathname expansion */
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| 67 | #define fflag optlist[1].val
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| 68 | DEF_OPT( "ignoreeof", 'I' ) /* do not exit on EOF */
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| 69 | #define Iflag optlist[2].val
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| 70 | DEF_OPT( "interactive",'i' ) /* interactive shell */
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| 71 | #define iflag optlist[3].val
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| 72 | DEF_OPT( "monitor", 'm' ) /* job control */
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| 73 | #define mflag optlist[4].val
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| 74 | DEF_OPT( "noexec", 'n' ) /* [U] do not exec commands */
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| 75 | #define nflag optlist[5].val
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| 76 | DEF_OPT( "stdin", 's' ) /* read from stdin */
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| 77 | #define sflag optlist[6].val
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| 78 | DEF_OPT( "xtrace", 'x' ) /* trace after expansion */
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| 79 | #define xflag optlist[7].val
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| 80 | DEF_OPT( "verbose", 'v' ) /* trace read input */
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| 81 | #define vflag optlist[8].val
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| 82 | DEF_OPTS( "vi", 'V', 'V' ) /* vi style editing */
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| 83 | #define Vflag optlist[9].val
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| 84 | DEF_OPTS( "emacs", 'E', 'V' ) /* emacs style editing */
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| 85 | #define Eflag optlist[10].val
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| 86 | DEF_OPT( "noclobber", 'C' ) /* do not overwrite files with > */
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| 87 | #define Cflag optlist[11].val
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| 88 | DEF_OPT( "allexport", 'a' ) /* export all variables */
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| 89 | #define aflag optlist[12].val
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| 90 | DEF_OPT( "notify", 'b' ) /* [U] report completion of background jobs */
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| 91 | #define bflag optlist[13].val
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| 92 | DEF_OPT( "nounset", 'u' ) /* error expansion of unset variables */
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| 93 | #define uflag optlist[14].val
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| 94 | DEF_OPT( "quietprofile", 'q' )
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| 95 | #define qflag optlist[15].val
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| 96 | DEF_OPT( "nolog", 0 ) /* [U] no functon defs in command history */
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| 97 | #define nolog optlist[16].val
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| 98 | DEF_OPT( "cdprint", 0 ) /* always print result of cd */
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| 99 | #define cdprint optlist[17].val
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| 100 | DEF_OPT( "tabcomplete", 0 ) /* <tab> causes filename expansion */
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| 101 | #define tabcomplete optlist[18].val
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| 102 | #ifdef DEBUG
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| 103 | DEF_OPT( "debug", 0 ) /* enable debug prints */
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| 104 | #define debug optlist[19].val
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| 105 | #endif
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| 106 |
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| 107 | #ifdef DEFINE_OPTIONS
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| 108 | { 0, 0, 0, 0 },
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| 109 | };
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| 110 | #define NOPTS (sizeof optlist / sizeof optlist[0] - 1)
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| 111 | int sizeof_optlist = sizeof optlist;
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| 112 | #else
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| 113 | extern struct optent optlist[];
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| 114 | extern int sizeof_optlist;
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| 115 | #endif
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| 116 |
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| 117 |
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| 118 | extern char *minusc; /* argument to -c option */
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| 119 | extern char *arg0; /* $0 */
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| 120 | extern struct shparam shellparam; /* $@ */
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| 121 | extern char **argptr; /* argument list for builtin commands */
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| 122 | extern char *optionarg; /* set by nextopt */
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| 123 | extern char *optptr; /* used by nextopt */
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| 124 |
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| 125 | void procargs(int, char **);
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| 126 | void optschanged(void);
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| 127 | void setparam(char **);
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| 128 | void freeparam(volatile struct shparam *);
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| 129 | int shiftcmd(int, char **);
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| 130 | int setcmd(int, char **);
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| 131 | int getoptscmd(int, char **);
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| 132 | int nextopt(const char *);
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| 133 | void getoptsreset(const char *);
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